1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 * Keith Whitwell <keith@tungstengraphics.com>
34 #include "main/imports.h"
35 #include "main/hash.h"
36 #include "main/mtypes.h"
37 #include "program/prog_parameter.h"
38 #include "program/prog_print.h"
39 #include "program/programopt.h"
41 #include "pipe/p_context.h"
42 #include "pipe/p_defines.h"
43 #include "pipe/p_shader_tokens.h"
44 #include "draw/draw_context.h"
45 #include "tgsi/tgsi_dump.h"
46 #include "tgsi/tgsi_ureg.h"
49 #include "st_cb_bitmap.h"
50 #include "st_cb_drawpixels.h"
51 #include "st_context.h"
52 #include "st_program.h"
53 #include "st_mesa_to_tgsi.h"
54 #include "cso_cache/cso_context.h"
59 * Delete a vertex program variant. Note the caller must unlink
60 * the variant from the linked list.
63 delete_vp_variant(struct st_context
*st
, struct st_vp_variant
*vpv
)
65 if (vpv
->driver_shader
)
66 cso_delete_vertex_shader(st
->cso_context
, vpv
->driver_shader
);
69 draw_delete_vertex_shader( st
->draw
, vpv
->draw_shader
);
72 st_free_tokens(vpv
->tgsi
.tokens
);
80 * Clean out any old compilations:
83 st_release_vp_variants( struct st_context
*st
,
84 struct st_vertex_program
*stvp
)
86 struct st_vp_variant
*vpv
;
88 for (vpv
= stvp
->variants
; vpv
; ) {
89 struct st_vp_variant
*next
= vpv
->next
;
90 delete_vp_variant(st
, vpv
);
94 stvp
->variants
= NULL
;
100 * Delete a fragment program variant. Note the caller must unlink
101 * the variant from the linked list.
104 delete_fp_variant(struct st_context
*st
, struct st_fp_variant
*fpv
)
106 if (fpv
->driver_shader
)
107 cso_delete_fragment_shader(st
->cso_context
, fpv
->driver_shader
);
109 _mesa_free_parameter_list(fpv
->parameters
);
110 if (fpv
->tgsi
.tokens
)
111 st_free_tokens(fpv
->tgsi
.tokens
);
117 * Free all variants of a fragment program.
120 st_release_fp_variants(struct st_context
*st
, struct st_fragment_program
*stfp
)
122 struct st_fp_variant
*fpv
;
124 for (fpv
= stfp
->variants
; fpv
; ) {
125 struct st_fp_variant
*next
= fpv
->next
;
126 delete_fp_variant(st
, fpv
);
130 stfp
->variants
= NULL
;
135 * Delete a geometry program variant. Note the caller must unlink
136 * the variant from the linked list.
139 delete_gp_variant(struct st_context
*st
, struct st_gp_variant
*gpv
)
141 if (gpv
->driver_shader
)
142 cso_delete_geometry_shader(st
->cso_context
, gpv
->driver_shader
);
149 * Free all variants of a geometry program.
152 st_release_gp_variants(struct st_context
*st
, struct st_geometry_program
*stgp
)
154 struct st_gp_variant
*gpv
;
156 for (gpv
= stgp
->variants
; gpv
; ) {
157 struct st_gp_variant
*next
= gpv
->next
;
158 delete_gp_variant(st
, gpv
);
162 stgp
->variants
= NULL
;
169 * Translate a Mesa vertex shader into a TGSI shader.
170 * \param outputMapping to map vertex program output registers (VARYING_SLOT_x)
171 * to TGSI output slots
172 * \param tokensOut destination for TGSI tokens
173 * \return pointer to cached pipe_shader object.
176 st_prepare_vertex_program(struct gl_context
*ctx
,
177 struct st_vertex_program
*stvp
)
179 struct st_context
*st
= st_context(ctx
);
182 stvp
->num_inputs
= 0;
183 stvp
->num_outputs
= 0;
185 if (stvp
->Base
.IsPositionInvariant
)
186 _mesa_insert_mvp_code(ctx
, &stvp
->Base
);
188 if (!stvp
->glsl_to_tgsi
)
189 assert(stvp
->Base
.Base
.NumInstructions
> 1);
192 * Determine number of inputs, the mappings between VERT_ATTRIB_x
193 * and TGSI generic input indexes, plus input attrib semantic info.
195 for (attr
= 0; attr
< VERT_ATTRIB_MAX
; attr
++) {
196 if ((stvp
->Base
.Base
.InputsRead
& BITFIELD64_BIT(attr
)) != 0) {
197 stvp
->input_to_index
[attr
] = stvp
->num_inputs
;
198 stvp
->index_to_input
[stvp
->num_inputs
] = attr
;
202 /* bit of a hack, presetup potentially unused edgeflag input */
203 stvp
->input_to_index
[VERT_ATTRIB_EDGEFLAG
] = stvp
->num_inputs
;
204 stvp
->index_to_input
[stvp
->num_inputs
] = VERT_ATTRIB_EDGEFLAG
;
206 /* Compute mapping of vertex program outputs to slots.
208 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
209 if ((stvp
->Base
.Base
.OutputsWritten
& BITFIELD64_BIT(attr
)) == 0) {
210 stvp
->result_to_output
[attr
] = ~0;
213 unsigned slot
= stvp
->num_outputs
++;
215 stvp
->result_to_output
[attr
] = slot
;
218 case VARYING_SLOT_POS
:
219 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
220 stvp
->output_semantic_index
[slot
] = 0;
222 case VARYING_SLOT_COL0
:
223 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
224 stvp
->output_semantic_index
[slot
] = 0;
226 case VARYING_SLOT_COL1
:
227 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
228 stvp
->output_semantic_index
[slot
] = 1;
230 case VARYING_SLOT_BFC0
:
231 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
232 stvp
->output_semantic_index
[slot
] = 0;
234 case VARYING_SLOT_BFC1
:
235 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
236 stvp
->output_semantic_index
[slot
] = 1;
238 case VARYING_SLOT_FOGC
:
239 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
240 stvp
->output_semantic_index
[slot
] = 0;
242 case VARYING_SLOT_PSIZ
:
243 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
244 stvp
->output_semantic_index
[slot
] = 0;
246 case VARYING_SLOT_CLIP_DIST0
:
247 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
248 stvp
->output_semantic_index
[slot
] = 0;
250 case VARYING_SLOT_CLIP_DIST1
:
251 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
252 stvp
->output_semantic_index
[slot
] = 1;
254 case VARYING_SLOT_EDGE
:
257 case VARYING_SLOT_CLIP_VERTEX
:
258 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
259 stvp
->output_semantic_index
[slot
] = 0;
262 case VARYING_SLOT_TEX0
:
263 case VARYING_SLOT_TEX1
:
264 case VARYING_SLOT_TEX2
:
265 case VARYING_SLOT_TEX3
:
266 case VARYING_SLOT_TEX4
:
267 case VARYING_SLOT_TEX5
:
268 case VARYING_SLOT_TEX6
:
269 case VARYING_SLOT_TEX7
:
270 stvp
->output_semantic_name
[slot
] = st
->needs_texcoord_semantic
?
271 TGSI_SEMANTIC_TEXCOORD
: TGSI_SEMANTIC_GENERIC
;
272 stvp
->output_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
275 case VARYING_SLOT_VAR0
:
277 assert(attr
< VARYING_SLOT_MAX
);
278 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
279 stvp
->output_semantic_index
[slot
] = st
->needs_texcoord_semantic
?
280 (attr
- VARYING_SLOT_VAR0
) : (attr
- VARYING_SLOT_TEX0
);
285 /* similar hack to above, presetup potentially unused edgeflag output */
286 stvp
->result_to_output
[VARYING_SLOT_EDGE
] = stvp
->num_outputs
;
287 stvp
->output_semantic_name
[stvp
->num_outputs
] = TGSI_SEMANTIC_EDGEFLAG
;
288 stvp
->output_semantic_index
[stvp
->num_outputs
] = 0;
293 * Translate a vertex program to create a new variant.
295 static struct st_vp_variant
*
296 st_translate_vertex_program(struct st_context
*st
,
297 struct st_vertex_program
*stvp
,
298 const struct st_vp_variant_key
*key
)
300 struct st_vp_variant
*vpv
= CALLOC_STRUCT(st_vp_variant
);
301 struct pipe_context
*pipe
= st
->pipe
;
302 struct ureg_program
*ureg
;
303 enum pipe_error error
;
304 unsigned num_outputs
;
306 st_prepare_vertex_program(st
->ctx
, stvp
);
308 if (!stvp
->glsl_to_tgsi
)
310 _mesa_remove_output_reads(&stvp
->Base
.Base
, PROGRAM_OUTPUT
);
313 ureg
= ureg_create( TGSI_PROCESSOR_VERTEX
);
321 vpv
->num_inputs
= stvp
->num_inputs
;
322 num_outputs
= stvp
->num_outputs
;
323 if (key
->passthrough_edgeflags
) {
328 if (ST_DEBUG
& DEBUG_MESA
) {
329 _mesa_print_program(&stvp
->Base
.Base
);
330 _mesa_print_program_parameters(st
->ctx
, &stvp
->Base
.Base
);
334 if (stvp
->glsl_to_tgsi
)
335 error
= st_translate_program(st
->ctx
,
336 TGSI_PROCESSOR_VERTEX
,
342 stvp
->input_to_index
,
343 NULL
, /* input semantic name */
344 NULL
, /* input semantic index */
345 NULL
, /* interp mode */
346 NULL
, /* is centroid */
349 stvp
->result_to_output
,
350 stvp
->output_semantic_name
,
351 stvp
->output_semantic_index
,
352 key
->passthrough_edgeflags
,
355 error
= st_translate_mesa_program(st
->ctx
,
356 TGSI_PROCESSOR_VERTEX
,
361 stvp
->input_to_index
,
362 NULL
, /* input semantic name */
363 NULL
, /* input semantic index */
367 stvp
->result_to_output
,
368 stvp
->output_semantic_name
,
369 stvp
->output_semantic_index
,
370 key
->passthrough_edgeflags
,
376 vpv
->tgsi
.tokens
= ureg_get_tokens( ureg
, NULL
);
377 if (!vpv
->tgsi
.tokens
)
380 ureg_destroy( ureg
);
382 if (stvp
->glsl_to_tgsi
) {
383 st_translate_stream_output_info(stvp
->glsl_to_tgsi
,
384 stvp
->result_to_output
,
385 &vpv
->tgsi
.stream_output
);
388 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
390 if (ST_DEBUG
& DEBUG_TGSI
) {
391 tgsi_dump( vpv
->tgsi
.tokens
, 0 );
398 debug_printf("%s: failed to translate Mesa program:\n", __FUNCTION__
);
399 _mesa_print_program(&stvp
->Base
.Base
);
402 ureg_destroy( ureg
);
408 * Find/create a vertex program variant.
410 struct st_vp_variant
*
411 st_get_vp_variant(struct st_context
*st
,
412 struct st_vertex_program
*stvp
,
413 const struct st_vp_variant_key
*key
)
415 struct st_vp_variant
*vpv
;
417 /* Search for existing variant */
418 for (vpv
= stvp
->variants
; vpv
; vpv
= vpv
->next
) {
419 if (memcmp(&vpv
->key
, key
, sizeof(*key
)) == 0) {
426 vpv
= st_translate_vertex_program(st
, stvp
, key
);
428 /* insert into list */
429 vpv
->next
= stvp
->variants
;
430 stvp
->variants
= vpv
;
439 st_translate_interp(enum glsl_interp_qualifier glsl_qual
, bool is_color
)
442 case INTERP_QUALIFIER_NONE
:
444 return TGSI_INTERPOLATE_COLOR
;
445 return TGSI_INTERPOLATE_PERSPECTIVE
;
446 case INTERP_QUALIFIER_SMOOTH
:
447 return TGSI_INTERPOLATE_PERSPECTIVE
;
448 case INTERP_QUALIFIER_FLAT
:
449 return TGSI_INTERPOLATE_CONSTANT
;
450 case INTERP_QUALIFIER_NOPERSPECTIVE
:
451 return TGSI_INTERPOLATE_LINEAR
;
453 assert(0 && "unexpected interp mode in st_translate_interp()");
454 return TGSI_INTERPOLATE_PERSPECTIVE
;
460 * Translate a Mesa fragment shader into a TGSI shader using extra info in
462 * \return new fragment program variant
464 static struct st_fp_variant
*
465 st_translate_fragment_program(struct st_context
*st
,
466 struct st_fragment_program
*stfp
,
467 const struct st_fp_variant_key
*key
)
469 struct pipe_context
*pipe
= st
->pipe
;
470 struct st_fp_variant
*variant
= CALLOC_STRUCT(st_fp_variant
);
471 GLboolean deleteFP
= GL_FALSE
;
473 GLuint outputMapping
[FRAG_RESULT_MAX
];
474 GLuint inputMapping
[VARYING_SLOT_MAX
];
475 GLuint interpMode
[PIPE_MAX_SHADER_INPUTS
]; /* XXX size? */
477 GLbitfield64 inputsRead
;
478 struct ureg_program
*ureg
;
480 GLboolean write_all
= GL_FALSE
;
482 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
483 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
484 GLboolean is_centroid
[PIPE_MAX_SHADER_INPUTS
];
485 uint fs_num_inputs
= 0;
487 ubyte fs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
488 ubyte fs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
489 uint fs_num_outputs
= 0;
494 assert(!(key
->bitmap
&& key
->drawpixels
));
497 /* glBitmap drawing */
498 struct gl_fragment_program
*fp
; /* we free this temp program below */
500 st_make_bitmap_fragment_program(st
, &stfp
->Base
,
501 &fp
, &variant
->bitmap_sampler
);
503 variant
->parameters
= _mesa_clone_parameter_list(fp
->Base
.Parameters
);
504 stfp
= st_fragment_program(fp
);
507 else if (key
->drawpixels
) {
508 /* glDrawPixels drawing */
509 struct gl_fragment_program
*fp
; /* we free this temp program below */
511 if (key
->drawpixels_z
|| key
->drawpixels_stencil
) {
512 fp
= st_make_drawpix_z_stencil_program(st
, key
->drawpixels_z
,
513 key
->drawpixels_stencil
);
517 st_make_drawpix_fragment_program(st
, &stfp
->Base
, &fp
);
518 variant
->parameters
= _mesa_clone_parameter_list(fp
->Base
.Parameters
);
521 stfp
= st_fragment_program(fp
);
524 if (!stfp
->glsl_to_tgsi
)
525 _mesa_remove_output_reads(&stfp
->Base
.Base
, PROGRAM_OUTPUT
);
528 * Convert Mesa program inputs to TGSI input register semantics.
530 inputsRead
= stfp
->Base
.Base
.InputsRead
;
531 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
532 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
533 const GLuint slot
= fs_num_inputs
++;
535 inputMapping
[attr
] = slot
;
536 is_centroid
[slot
] = (stfp
->Base
.IsCentroid
& BITFIELD64_BIT(attr
)) != 0;
539 case VARYING_SLOT_POS
:
540 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
541 input_semantic_index
[slot
] = 0;
542 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
544 case VARYING_SLOT_COL0
:
545 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
546 input_semantic_index
[slot
] = 0;
547 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
550 case VARYING_SLOT_COL1
:
551 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
552 input_semantic_index
[slot
] = 1;
553 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
556 case VARYING_SLOT_FOGC
:
557 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
558 input_semantic_index
[slot
] = 0;
559 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
561 case VARYING_SLOT_FACE
:
562 input_semantic_name
[slot
] = TGSI_SEMANTIC_FACE
;
563 input_semantic_index
[slot
] = 0;
564 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
566 case VARYING_SLOT_CLIP_DIST0
:
567 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
568 input_semantic_index
[slot
] = 0;
569 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
571 case VARYING_SLOT_CLIP_DIST1
:
572 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
573 input_semantic_index
[slot
] = 1;
574 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
576 /* In most cases, there is nothing special about these
577 * inputs, so adopt a convention to use the generic
578 * semantic name and the mesa VARYING_SLOT_ number as the
581 * All that is required is that the vertex shader labels
582 * its own outputs similarly, and that the vertex shader
583 * generates at least every output required by the
584 * fragment shader plus fixed-function hardware (such as
587 * However, some drivers may need us to identify the PNTC and TEXi
588 * varyings if, for example, their capability to replace them with
589 * sprite coordinates is limited.
591 case VARYING_SLOT_PNTC
:
592 if (st
->needs_texcoord_semantic
) {
593 input_semantic_name
[slot
] = TGSI_SEMANTIC_PCOORD
;
594 input_semantic_index
[slot
] = 0;
595 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
599 case VARYING_SLOT_TEX0
:
600 case VARYING_SLOT_TEX1
:
601 case VARYING_SLOT_TEX2
:
602 case VARYING_SLOT_TEX3
:
603 case VARYING_SLOT_TEX4
:
604 case VARYING_SLOT_TEX5
:
605 case VARYING_SLOT_TEX6
:
606 case VARYING_SLOT_TEX7
:
607 if (st
->needs_texcoord_semantic
) {
608 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
609 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
611 st_translate_interp(stfp
->Base
.InterpQualifier
[attr
], FALSE
);
615 case VARYING_SLOT_VAR0
:
617 /* Semantic indices should be zero-based because drivers may choose
618 * to assign a fixed slot determined by that index.
619 * This is useful because ARB_separate_shader_objects uses location
620 * qualifiers for linkage, and if the semantic index corresponds to
621 * these locations, linkage passes in the driver become unecessary.
623 * If needs_texcoord_semantic is true, no semantic indices will be
624 * consumed for the TEXi varyings, and we can base the locations of
625 * the user varyings on VAR0. Otherwise, we use TEX0 as base index.
627 assert(attr
>= VARYING_SLOT_TEX0
);
628 input_semantic_index
[slot
] = st
->needs_texcoord_semantic
?
629 (attr
- VARYING_SLOT_VAR0
) : (attr
- VARYING_SLOT_TEX0
);
630 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
631 if (attr
== VARYING_SLOT_PNTC
)
632 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
634 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
640 inputMapping
[attr
] = -1;
645 * Semantics and mapping for outputs
649 GLbitfield64 outputsWritten
= stfp
->Base
.Base
.OutputsWritten
;
651 /* if z is written, emit that first */
652 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_DEPTH
)) {
653 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_POSITION
;
654 fs_output_semantic_index
[fs_num_outputs
] = 0;
655 outputMapping
[FRAG_RESULT_DEPTH
] = fs_num_outputs
;
657 outputsWritten
&= ~(1 << FRAG_RESULT_DEPTH
);
660 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_STENCIL
)) {
661 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_STENCIL
;
662 fs_output_semantic_index
[fs_num_outputs
] = 0;
663 outputMapping
[FRAG_RESULT_STENCIL
] = fs_num_outputs
;
665 outputsWritten
&= ~(1 << FRAG_RESULT_STENCIL
);
668 /* handle remaining outputs (color) */
669 for (attr
= 0; attr
< FRAG_RESULT_MAX
; attr
++) {
670 if (outputsWritten
& BITFIELD64_BIT(attr
)) {
672 case FRAG_RESULT_DEPTH
:
673 case FRAG_RESULT_STENCIL
:
677 case FRAG_RESULT_COLOR
:
678 write_all
= GL_TRUE
; /* fallthrough */
680 assert(attr
== FRAG_RESULT_COLOR
||
681 (FRAG_RESULT_DATA0
<= attr
&& attr
< FRAG_RESULT_MAX
));
682 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_COLOR
;
683 fs_output_semantic_index
[fs_num_outputs
] = numColors
;
684 outputMapping
[attr
] = fs_num_outputs
;
694 ureg
= ureg_create( TGSI_PROCESSOR_FRAGMENT
);
700 if (ST_DEBUG
& DEBUG_MESA
) {
701 _mesa_print_program(&stfp
->Base
.Base
);
702 _mesa_print_program_parameters(st
->ctx
, &stfp
->Base
.Base
);
705 if (write_all
== GL_TRUE
)
706 ureg_property_fs_color0_writes_all_cbufs(ureg
, 1);
708 if (stfp
->Base
.FragDepthLayout
!= FRAG_DEPTH_LAYOUT_NONE
) {
709 switch (stfp
->Base
.FragDepthLayout
) {
710 case FRAG_DEPTH_LAYOUT_ANY
:
711 ureg_property_fs_depth_layout(ureg
, TGSI_FS_DEPTH_LAYOUT_ANY
);
713 case FRAG_DEPTH_LAYOUT_GREATER
:
714 ureg_property_fs_depth_layout(ureg
, TGSI_FS_DEPTH_LAYOUT_GREATER
);
716 case FRAG_DEPTH_LAYOUT_LESS
:
717 ureg_property_fs_depth_layout(ureg
, TGSI_FS_DEPTH_LAYOUT_LESS
);
719 case FRAG_DEPTH_LAYOUT_UNCHANGED
:
720 ureg_property_fs_depth_layout(ureg
, TGSI_FS_DEPTH_LAYOUT_UNCHANGED
);
727 if (stfp
->glsl_to_tgsi
)
728 st_translate_program(st
->ctx
,
729 TGSI_PROCESSOR_FRAGMENT
,
737 input_semantic_index
,
743 fs_output_semantic_name
,
744 fs_output_semantic_index
, FALSE
,
747 st_translate_mesa_program(st
->ctx
,
748 TGSI_PROCESSOR_FRAGMENT
,
755 input_semantic_index
,
760 fs_output_semantic_name
,
761 fs_output_semantic_index
, FALSE
,
764 variant
->tgsi
.tokens
= ureg_get_tokens( ureg
, NULL
);
765 ureg_destroy( ureg
);
767 /* fill in variant */
768 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &variant
->tgsi
);
771 if (ST_DEBUG
& DEBUG_TGSI
) {
772 tgsi_dump( variant
->tgsi
.tokens
, 0/*TGSI_DUMP_VERBOSE*/ );
777 /* Free the temporary program made above */
778 struct gl_fragment_program
*fp
= &stfp
->Base
;
779 _mesa_reference_fragprog(st
->ctx
, &fp
, NULL
);
787 * Translate fragment program if needed.
789 struct st_fp_variant
*
790 st_get_fp_variant(struct st_context
*st
,
791 struct st_fragment_program
*stfp
,
792 const struct st_fp_variant_key
*key
)
794 struct st_fp_variant
*fpv
;
796 /* Search for existing variant */
797 for (fpv
= stfp
->variants
; fpv
; fpv
= fpv
->next
) {
798 if (memcmp(&fpv
->key
, key
, sizeof(*key
)) == 0) {
805 fpv
= st_translate_fragment_program(st
, stfp
, key
);
807 /* insert into list */
808 fpv
->next
= stfp
->variants
;
809 stfp
->variants
= fpv
;
818 * Translate a geometry program to create a new variant.
820 static struct st_gp_variant
*
821 st_translate_geometry_program(struct st_context
*st
,
822 struct st_geometry_program
*stgp
,
823 const struct st_gp_variant_key
*key
)
825 GLuint inputMapping
[VARYING_SLOT_MAX
];
826 GLuint outputMapping
[VARYING_SLOT_MAX
];
827 struct pipe_context
*pipe
= st
->pipe
;
829 GLbitfield64 inputsRead
;
832 uint gs_num_inputs
= 0;
833 uint gs_builtin_inputs
= 0;
834 uint gs_array_offset
= 0;
836 ubyte gs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
837 ubyte gs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
838 uint gs_num_outputs
= 0;
842 struct ureg_program
*ureg
;
844 struct st_gp_variant
*gpv
;
846 gpv
= CALLOC_STRUCT(st_gp_variant
);
850 if (!stgp
->glsl_to_tgsi
) {
851 _mesa_remove_output_reads(&stgp
->Base
.Base
, PROGRAM_OUTPUT
);
854 ureg
= ureg_create( TGSI_PROCESSOR_GEOMETRY
);
860 /* which vertex output goes to the first geometry input */
863 memset(inputMapping
, 0, sizeof(inputMapping
));
864 memset(outputMapping
, 0, sizeof(outputMapping
));
867 * Convert Mesa program inputs to TGSI input register semantics.
869 inputsRead
= stgp
->Base
.Base
.InputsRead
;
870 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
871 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
872 const GLuint slot
= gs_num_inputs
;
876 inputMapping
[attr
] = slot
;
878 stgp
->input_map
[slot
+ gs_array_offset
] = vslot
- gs_builtin_inputs
;
879 stgp
->input_to_index
[attr
] = vslot
;
880 stgp
->index_to_input
[vslot
] = attr
;
883 if (attr
!= VARYING_SLOT_PRIMITIVE_ID
) {
884 gs_array_offset
+= 2;
889 debug_printf("input map at %d = %d\n",
890 slot
+ gs_array_offset
, stgp
->input_map
[slot
+ gs_array_offset
]);
894 case VARYING_SLOT_PRIMITIVE_ID
:
895 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
896 stgp
->input_semantic_index
[slot
] = 0;
898 case VARYING_SLOT_POS
:
899 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
900 stgp
->input_semantic_index
[slot
] = 0;
902 case VARYING_SLOT_COL0
:
903 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
904 stgp
->input_semantic_index
[slot
] = 0;
906 case VARYING_SLOT_COL1
:
907 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
908 stgp
->input_semantic_index
[slot
] = 1;
910 case VARYING_SLOT_FOGC
:
911 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
912 stgp
->input_semantic_index
[slot
] = 0;
914 case VARYING_SLOT_CLIP_VERTEX
:
915 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
916 stgp
->input_semantic_index
[slot
] = 0;
918 case VARYING_SLOT_CLIP_DIST0
:
919 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
920 stgp
->input_semantic_index
[slot
] = 0;
922 case VARYING_SLOT_CLIP_DIST1
:
923 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
924 stgp
->input_semantic_index
[slot
] = 1;
926 case VARYING_SLOT_TEX0
:
927 case VARYING_SLOT_TEX1
:
928 case VARYING_SLOT_TEX2
:
929 case VARYING_SLOT_TEX3
:
930 case VARYING_SLOT_TEX4
:
931 case VARYING_SLOT_TEX5
:
932 case VARYING_SLOT_TEX6
:
933 case VARYING_SLOT_TEX7
:
934 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
935 stgp
->input_semantic_index
[slot
] = (attr
- VARYING_SLOT_TEX0
);
937 case VARYING_SLOT_VAR0
:
939 assert(attr
>= VARYING_SLOT_VAR0
&& attr
< VARYING_SLOT_MAX
);
940 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
941 stgp
->input_semantic_index
[slot
] = (VARYING_SLOT_VAR0
-
950 /* initialize output semantics to defaults */
951 for (i
= 0; i
< PIPE_MAX_SHADER_OUTPUTS
; i
++) {
952 gs_output_semantic_name
[i
] = TGSI_SEMANTIC_GENERIC
;
953 gs_output_semantic_index
[i
] = 0;
957 * Determine number of outputs, the (default) output register
958 * mapping and the semantic information for each output.
960 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
961 if (stgp
->Base
.Base
.OutputsWritten
& BITFIELD64_BIT(attr
)) {
964 slot
= gs_num_outputs
;
966 outputMapping
[attr
] = slot
;
969 case VARYING_SLOT_POS
:
971 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
972 gs_output_semantic_index
[slot
] = 0;
974 case VARYING_SLOT_COL0
:
975 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
976 gs_output_semantic_index
[slot
] = 0;
978 case VARYING_SLOT_COL1
:
979 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
980 gs_output_semantic_index
[slot
] = 1;
982 case VARYING_SLOT_BFC0
:
983 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
984 gs_output_semantic_index
[slot
] = 0;
986 case VARYING_SLOT_BFC1
:
987 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
988 gs_output_semantic_index
[slot
] = 1;
990 case VARYING_SLOT_FOGC
:
991 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
992 gs_output_semantic_index
[slot
] = 0;
994 case VARYING_SLOT_PSIZ
:
995 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
996 gs_output_semantic_index
[slot
] = 0;
998 case VARYING_SLOT_CLIP_VERTEX
:
999 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
1000 gs_output_semantic_index
[slot
] = 0;
1002 case VARYING_SLOT_CLIP_DIST0
:
1003 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1004 gs_output_semantic_index
[slot
] = 0;
1006 case VARYING_SLOT_CLIP_DIST1
:
1007 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1008 gs_output_semantic_index
[slot
] = 1;
1010 case VARYING_SLOT_TEX0
:
1011 case VARYING_SLOT_TEX1
:
1012 case VARYING_SLOT_TEX2
:
1013 case VARYING_SLOT_TEX3
:
1014 case VARYING_SLOT_TEX4
:
1015 case VARYING_SLOT_TEX5
:
1016 case VARYING_SLOT_TEX6
:
1017 case VARYING_SLOT_TEX7
:
1018 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1019 gs_output_semantic_index
[slot
] = (attr
- VARYING_SLOT_TEX0
);
1021 case VARYING_SLOT_VAR0
:
1023 assert(slot
< Elements(gs_output_semantic_name
));
1024 assert(attr
>= VARYING_SLOT_VAR0
);
1025 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1026 gs_output_semantic_index
[slot
] = (VARYING_SLOT_VAR0
-
1034 /* find max output slot referenced to compute gs_num_outputs */
1035 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1036 if (outputMapping
[attr
] != ~0 && outputMapping
[attr
] > maxSlot
)
1037 maxSlot
= outputMapping
[attr
];
1039 gs_num_outputs
= maxSlot
+ 1;
1044 printf("outputMapping? %d\n", outputMapping
? 1 : 0);
1045 if (outputMapping
) {
1046 printf("attr -> slot\n");
1047 for (i
= 0; i
< 16; i
++) {
1048 printf(" %2d %3d\n", i
, outputMapping
[i
]);
1051 printf("slot sem_name sem_index\n");
1052 for (i
= 0; i
< gs_num_outputs
; i
++) {
1053 printf(" %2d %d %d\n",
1055 gs_output_semantic_name
[i
],
1056 gs_output_semantic_index
[i
]);
1061 /* free old shader state, if any */
1062 if (stgp
->tgsi
.tokens
) {
1063 st_free_tokens(stgp
->tgsi
.tokens
);
1064 stgp
->tgsi
.tokens
= NULL
;
1067 ureg_property_gs_input_prim(ureg
, stgp
->Base
.InputType
);
1068 ureg_property_gs_output_prim(ureg
, stgp
->Base
.OutputType
);
1069 ureg_property_gs_max_vertices(ureg
, stgp
->Base
.VerticesOut
);
1071 if (stgp
->glsl_to_tgsi
)
1072 st_translate_program(st
->ctx
,
1073 TGSI_PROCESSOR_GEOMETRY
,
1080 stgp
->input_semantic_name
,
1081 stgp
->input_semantic_index
,
1087 gs_output_semantic_name
,
1088 gs_output_semantic_index
,
1092 st_translate_mesa_program(st
->ctx
,
1093 TGSI_PROCESSOR_GEOMETRY
,
1099 stgp
->input_semantic_name
,
1100 stgp
->input_semantic_index
,
1105 gs_output_semantic_name
,
1106 gs_output_semantic_index
,
1110 stgp
->num_inputs
= gs_num_inputs
;
1111 stgp
->tgsi
.tokens
= ureg_get_tokens( ureg
, NULL
);
1112 ureg_destroy( ureg
);
1114 if (stgp
->glsl_to_tgsi
) {
1115 st_translate_stream_output_info(stgp
->glsl_to_tgsi
,
1117 &stgp
->tgsi
.stream_output
);
1120 /* fill in new variant */
1121 gpv
->driver_shader
= pipe
->create_gs_state(pipe
, &stgp
->tgsi
);
1124 if ((ST_DEBUG
& DEBUG_TGSI
) && (ST_DEBUG
& DEBUG_MESA
)) {
1125 _mesa_print_program(&stgp
->Base
.Base
);
1129 if (ST_DEBUG
& DEBUG_TGSI
) {
1130 tgsi_dump(stgp
->tgsi
.tokens
, 0);
1139 * Get/create geometry program variant.
1141 struct st_gp_variant
*
1142 st_get_gp_variant(struct st_context
*st
,
1143 struct st_geometry_program
*stgp
,
1144 const struct st_gp_variant_key
*key
)
1146 struct st_gp_variant
*gpv
;
1148 /* Search for existing variant */
1149 for (gpv
= stgp
->variants
; gpv
; gpv
= gpv
->next
) {
1150 if (memcmp(&gpv
->key
, key
, sizeof(*key
)) == 0) {
1157 gpv
= st_translate_geometry_program(st
, stgp
, key
);
1159 /* insert into list */
1160 gpv
->next
= stgp
->variants
;
1161 stgp
->variants
= gpv
;
1172 * Debug- print current shader text
1175 st_print_shaders(struct gl_context
*ctx
)
1177 struct gl_shader_program
*shProg
[3] = {
1178 ctx
->Shader
.CurrentVertexProgram
,
1179 ctx
->Shader
.CurrentGeometryProgram
,
1180 ctx
->Shader
.CurrentFragmentProgram
,
1184 for (j
= 0; j
< 3; j
++) {
1187 if (shProg
[j
] == NULL
)
1190 for (i
= 0; i
< shProg
[j
]->NumShaders
; i
++) {
1191 struct gl_shader
*sh
;
1193 switch (shProg
[j
]->Shaders
[i
]->Type
) {
1194 case GL_VERTEX_SHADER
:
1195 sh
= (i
!= 0) ? NULL
: shProg
[j
]->Shaders
[i
];
1197 case GL_GEOMETRY_SHADER_ARB
:
1198 sh
= (i
!= 1) ? NULL
: shProg
[j
]->Shaders
[i
];
1200 case GL_FRAGMENT_SHADER
:
1201 sh
= (i
!= 2) ? NULL
: shProg
[j
]->Shaders
[i
];
1210 printf("GLSL shader %u of %u:\n", i
, shProg
[j
]->NumShaders
);
1211 printf("%s\n", sh
->Source
);
1219 * Vert/Geom/Frag programs have per-context variants. Free all the
1220 * variants attached to the given program which match the given context.
1223 destroy_program_variants(struct st_context
*st
, struct gl_program
*program
)
1225 if (!program
|| program
== &_mesa_DummyProgram
)
1228 switch (program
->Target
) {
1229 case GL_VERTEX_PROGRAM_ARB
:
1231 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) program
;
1232 struct st_vp_variant
*vpv
, **prevPtr
= &stvp
->variants
;
1234 for (vpv
= stvp
->variants
; vpv
; ) {
1235 struct st_vp_variant
*next
= vpv
->next
;
1236 if (vpv
->key
.st
== st
) {
1237 /* unlink from list */
1239 /* destroy this variant */
1240 delete_vp_variant(st
, vpv
);
1243 prevPtr
= &vpv
->next
;
1249 case GL_FRAGMENT_PROGRAM_ARB
:
1251 struct st_fragment_program
*stfp
=
1252 (struct st_fragment_program
*) program
;
1253 struct st_fp_variant
*fpv
, **prevPtr
= &stfp
->variants
;
1255 for (fpv
= stfp
->variants
; fpv
; ) {
1256 struct st_fp_variant
*next
= fpv
->next
;
1257 if (fpv
->key
.st
== st
) {
1258 /* unlink from list */
1260 /* destroy this variant */
1261 delete_fp_variant(st
, fpv
);
1264 prevPtr
= &fpv
->next
;
1270 case MESA_GEOMETRY_PROGRAM
:
1272 struct st_geometry_program
*stgp
=
1273 (struct st_geometry_program
*) program
;
1274 struct st_gp_variant
*gpv
, **prevPtr
= &stgp
->variants
;
1276 for (gpv
= stgp
->variants
; gpv
; ) {
1277 struct st_gp_variant
*next
= gpv
->next
;
1278 if (gpv
->key
.st
== st
) {
1279 /* unlink from list */
1281 /* destroy this variant */
1282 delete_gp_variant(st
, gpv
);
1285 prevPtr
= &gpv
->next
;
1292 _mesa_problem(NULL
, "Unexpected program target 0x%x in "
1293 "destroy_program_variants_cb()", program
->Target
);
1299 * Callback for _mesa_HashWalk. Free all the shader's program variants
1300 * which match the given context.
1303 destroy_shader_program_variants_cb(GLuint key
, void *data
, void *userData
)
1305 struct st_context
*st
= (struct st_context
*) userData
;
1306 struct gl_shader
*shader
= (struct gl_shader
*) data
;
1308 switch (shader
->Type
) {
1309 case GL_SHADER_PROGRAM_MESA
:
1311 struct gl_shader_program
*shProg
= (struct gl_shader_program
*) data
;
1314 for (i
= 0; i
< shProg
->NumShaders
; i
++) {
1315 destroy_program_variants(st
, shProg
->Shaders
[i
]->Program
);
1318 for (i
= 0; i
< Elements(shProg
->_LinkedShaders
); i
++) {
1319 if (shProg
->_LinkedShaders
[i
])
1320 destroy_program_variants(st
, shProg
->_LinkedShaders
[i
]->Program
);
1324 case GL_VERTEX_SHADER
:
1325 case GL_FRAGMENT_SHADER
:
1326 case GL_GEOMETRY_SHADER
:
1328 destroy_program_variants(st
, shader
->Program
);
1338 * Callback for _mesa_HashWalk. Free all the program variants which match
1339 * the given context.
1342 destroy_program_variants_cb(GLuint key
, void *data
, void *userData
)
1344 struct st_context
*st
= (struct st_context
*) userData
;
1345 struct gl_program
*program
= (struct gl_program
*) data
;
1346 destroy_program_variants(st
, program
);
1351 * Walk over all shaders and programs to delete any variants which
1352 * belong to the given context.
1353 * This is called during context tear-down.
1356 st_destroy_program_variants(struct st_context
*st
)
1358 /* ARB vert/frag program */
1359 _mesa_HashWalk(st
->ctx
->Shared
->Programs
,
1360 destroy_program_variants_cb
, st
);
1362 /* GLSL vert/frag/geom shaders */
1363 _mesa_HashWalk(st
->ctx
->Shared
->ShaderObjects
,
1364 destroy_shader_program_variants_cb
, st
);
1369 * For debugging, print/dump the current vertex program.
1372 st_print_current_vertex_program(void)
1374 GET_CURRENT_CONTEXT(ctx
);
1376 if (ctx
->VertexProgram
._Current
) {
1377 struct st_vertex_program
*stvp
=
1378 (struct st_vertex_program
*) ctx
->VertexProgram
._Current
;
1379 struct st_vp_variant
*stv
;
1381 debug_printf("Vertex program %u\n", stvp
->Base
.Base
.Id
);
1383 for (stv
= stvp
->variants
; stv
; stv
= stv
->next
) {
1384 debug_printf("variant %p\n", stv
);
1385 tgsi_dump(stv
->tgsi
.tokens
, 0);